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tldr/pages/linux/ddcutil.md
Miha Frangež 480cdbbc80
ddcutil: add page (#7275)
2021-12-10 22:24:17 +01:00

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ddcutil

Control the settings of connected displays via DDC/CI. This command requires the kernel module i2c-dev to be loaded. See also: modprobe. More information: https://www.ddcutil.com.

  • List all compatible displays:

ddcutil detect

  • Change the brightness (option 0x10) of display 1 to 50%:

ddcutil --display {{1}} setvcp {{10}} {{50}}

  • Increase the contrast (option 0x12) of display 1 by 5%:

ddcutil -d {{1}} setvcp {{12}} {{+}} {{5}}

  • Read the settings of display 1:

ddcutil -d {{1}} getvcp {{ALL}}